1956 01 19.29 -99.99 -99.99 
1956 02 22.00 -99.99 -99.99 
1956 03 22.50   7.90  15.20 
1956 05 31.90  14.60  23.25 
1956 06 38.00  19.40  28.70 
1956 07 38.40  20.00  29.20 
1956 08 38.09  20.80  29.45 
1956 09 33.40  17.79  25.60 
1956 10 28.10  13.60  20.85 
1956 11 25.60  10.40  18.00 
1956 12 18.20 -99.99 -99.99 
1957 01 17.20 -99.99 -99.99 
1957 02 21.30 -99.99 -99.99 
1957 03 22.60   7.80  15.20 
1957 04 28.70  11.90  20.29 
1957 05 33.40  17.29  25.35 
1957 06 37.00  19.60  28.30 
1957 07 36.30  20.20  28.25 
1957 08 36.50  20.50  28.50 
1957 09 35.00  20.00  27.50 
1957 10 31.10  17.60  24.35 
1958 02 22.50 -99.99 -99.99 
1958 03 27.70   8.70  18.20 
1958 04 29.20  13.10  21.15 
1958 05 33.70  15.70  24.70 
1958 06 37.09  19.29  28.20 
1958 07 37.40  20.40  28.90 
1958 08 37.50  21.50  29.50 
1958 09 33.70  19.50  26.60 
1958 10 30.00  16.29  23.15 
1958 11 26.40  13.80  20.10 
1958 12 21.20   7.40  14.30 
1959 01 17.90   3.60  10.75 
1959 02 18.10 -99.99 -99.99 
1959 03 24.20   8.10  16.15 
1959 04 28.90  11.60  20.25 
1959 05 34.40  17.50  25.95 
1959 06 35.40  19.29  27.35 
1959 07 36.09  20.60  28.34 
1959 08 36.59  20.60  28.59 
1959 09 33.70  18.29  26.00 
1959 10 28.80  14.30  21.55 
1959 11 24.80  10.70  17.75 
1959 12 20.40   6.10  13.25 
1960 01 19.50 -99.99 -99.99 
1960 02 22.50   6.00  14.25 
1960 03 25.60   9.10  17.35 
1960 04 29.80  12.80  21.30 
1960 05 32.50  16.70  24.60 
1960 06 35.80  19.29  27.55 
1960 07 37.40  20.29  28.85 
1960 08 37.20  19.90  28.55 
1960 09 34.59  18.60  26.59 
1960 10 34.40  17.00  25.70 
1960 11 25.80  12.70  19.25 
1960 12 22.20 -99.99 -99.99 
1961 01 18.29 -99.99 -99.99 
1961 02 17.90   6.60  12.25 
1961 03 21.60   8.30  14.95 
1961 04 28.60  13.20  20.90 
1961 05 34.59  16.40  25.50 
1961 06 38.00  20.29  29.15 
1961 07 36.40  19.60  28.00 
1961 08 36.09  20.10  28.09 
1961 09 31.30  16.50  23.90 
1961 10 28.40  13.40  20.90 
1961 11 25.40  10.10  17.75 
1961 12 20.50   6.70  13.60 
1962 01 19.79 -99.99 -99.99 
1962 02 18.79   5.50  12.15 
1962 03 27.40 -99.99 -99.99 
1962 04 28.90 -99.99 -99.99 
1962 05 33.09  15.60  24.34 
1962 06 37.30  18.90  28.09 
1962 07 37.70  19.90  28.80 
1962 08 37.90  21.40  29.65 
1962 10 31.00  17.20  24.10 
1962 11 29.40  14.10  21.75 
1962 12 20.10   5.20  12.65 
1963 01 20.90 -99.99 -99.99 
1963 02 22.10 -99.99 -99.99 
1963 03 24.30   7.80  16.04 
1963 04 29.60  12.20  20.90 
1963 05 31.60 -99.99 -99.99 
1963 06 37.09  19.40  28.25 
1963 07 37.90  21.60  29.75 
1963 08 37.59  20.90  29.25 
1963 09 35.00  19.40  27.20 
1963 10 31.10  17.29  24.20 
1963 11 25.40  10.50  17.95 
1963 12 99.99 -99.99  14.70 
1964 01 99.99 -99.99  10.70 
1964 02 99.99 -99.99  12.90 
1964 03 99.99 -99.99  18.10 
1964 04 99.99 -99.99  21.30 
1964 05 99.99 -99.99  24.10 
1964 06 99.99 -99.99  28.70 
1964 07 99.99 -99.99  28.30 
1964 08 99.99 -99.99  28.80 
1964 09 99.99 -99.99  25.00 
1964 10 99.99 -99.99  23.70 
1964 11 99.99 -99.99  17.70 
1964 12 99.99 -99.99  14.90 
1965 01 99.99 -99.99  12.80 
1965 02 99.99 -99.99  13.10 
1965 03 99.99 -99.99  17.10 
1965 04 99.99 -99.99  20.29 
1965 05 99.99 -99.99  23.60 
1965 06 99.99 -99.99  29.20 
1965 07 99.99 -99.99  29.50 
1965 08 99.99 -99.99  28.60 
1965 09 99.99 -99.99  26.70 
1965 10 99.99 -99.99  21.90 
1965 11 99.99 -99.99  16.20 
1965 12 99.99 -99.99  12.80 
1966 01 99.99 -99.99  12.40 
1966 02 99.99 -99.99  13.90 
1966 03 99.99 -99.99  16.50 
1966 04 99.99 -99.99  21.60 
1966 05 99.99 -99.99  25.20 
1966 06 99.99 -99.99  28.10 
1966 07 99.99 -99.99  29.30 
1966 08 99.99 -99.99  29.30 
1966 09 99.99 -99.99  26.20 
1966 10 99.99 -99.99  25.10 
1966 11 99.99 -99.99  20.10 
1966 12 99.99 -99.99  12.70 
1967 01 99.99 -99.99  10.70 
1967 02 99.99 -99.99  13.50 
1967 03 99.99 -99.99  14.10 
1967 04 99.99 -99.99  21.90 
1967 05 99.99 -99.99  24.50 
1967 06 99.99 -99.99  28.50 
1967 07 99.99 -99.99  28.10 
1967 08 99.99 -99.99  28.90 
1967 09 99.99 -99.99  26.60 
1967 10 99.99 -99.99  22.10 
1967 11 99.99 -99.99  17.40 
1967 12 99.99 -99.99  13.10 
1968 01 99.99 -99.99  10.90 
1968 02 99.99 -99.99  13.70 
1968 03 99.99 -99.99  15.10 
1968 04 99.99 -99.99  21.70 
1968 05 99.99 -99.99  26.70 
1968 06 99.99 -99.99  29.90 
1968 07 99.99 -99.99  28.90 
1968 08 99.99 -99.99  28.70 
1968 09 99.99 -99.99  25.80 
1968 10 99.99 -99.99  20.50 
1968 11 99.99 -99.99  17.20 
1968 12 99.99 -99.99  12.90 
1969 01 99.99 -99.99  11.70 
1969 02 99.99 -99.99  15.80 
1969 03 99.99 -99.99  20.29 
1969 04 99.99 -99.99  19.40 
1969 05 99.99 -99.99  24.50 
1969 06 99.99 -99.99  27.10 
1969 07 99.99 -99.99  27.20 
1969 08 99.99 -99.99  27.90 
1969 09 99.99 -99.99  28.10 
1969 10 99.99 -99.99  23.50 
1969 11 99.99 -99.99  17.70 
1969 12 99.99 -99.99  12.40 
1970 01 99.99 -99.99  13.70 
1970 02 99.99 -99.99  14.20 
1970 03 99.99 -99.99  17.40 
1970 04 99.99 -99.99  21.10 
1970 05 99.99 -99.99  26.10 
1970 06 99.99 -99.99  27.40 
1970 07 99.99 -99.99  28.70 
1970 08 99.99 -99.99  28.40 
1970 09 99.99 -99.99  26.30 
1970 10 99.99 -99.99  21.20 
1970 11 99.99 -99.99  16.70 
1970 12 99.99 -99.99  12.30 
1980 09 99.99  18.00 -99.99 
1981 02 19.60 -99.99 -99.99 
1981 05 33.00 -99.99 -99.99 
1981 09 33.80  18.70  26.25 
1995 02 16.60   4.90  10.75 
1995 05 32.70 -99.99 -99.99 
1995 06 41.00  22.20  31.60 
1995 07 38.50  21.80  30.15 
1995 10 29.50  16.10  22.80 
1996 02 21.40   6.60  14.00 
1996 03 24.50   8.00  16.25 
1996 09 37.80 -99.99 -99.99 
1996 12 21.60   5.20  13.40 
1997 05 34.80  15.70  25.25 
1997 07 39.00  20.50  29.75 
1997 08 37.00  31.30  34.15 
1997 10 30.70  15.70  23.20 
1997 11 25.50  10.60  18.04 
1998 01 19.70   5.10  12.40 
1998 04 31.40  13.50  22.45 
1999 07 37.30  22.00  29.65 
